Marc Mast started as a supervisor of Achieve Tahoe’s adaptive ski school in 1986 and earned his level 2 adaptive instructor certification in 1990. As one of the early pioneers in alpine adaptive winter skiing, he has decades of experience as a national and international clinician. He also was the founder of the adaptive program at Sun Valley, currently known as Higher Ground). Marc also decided to add Nordic skiing into the mix. We chat about the history and evolution of adaptive skiing.